Antonym of effective

Antonyms of adj effective

6 senses of effective

Sense 1:

effective (vs. ineffective), effectual, efficacious

ineffective (vs. effective), uneffective, ineffectual
toothlessunproductive

Sense 2:

effective, efficient

INDIRECT (VIA competent) -> incompetent

Sense 3:

effective

INDIRECT (VIA efficacious) -> inefficacious

Sense 4:

effective, good, in effect(predicate), in force(predicate)

INDIRECT (VIA operative) -> inoperative

Sense 5:

effective

INDIRECT (VIA actual) -> potential, possible

Sense 6:

effective

INDIRECT (VIA operational) -> nonoperational, inactive